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Breakthrough Behind 500,000 RPM Dental Handpiece Bearings

Rewrite the content and keep the original meaning and format, and add 5 more H2, the content is “ 1. Material Science Revolution: Silicon Nitride Ceramic Bearings Core Innovation​Silicon nitride (Si₃N₄) ceramic bearings demonstrate ​3× longer fatigue life​ than traditional…

Breakthrough Behind 500,000 RPM Dental Handpiece Bearings

Rewrite the content and keep the original meaning and format, and add 5 more H2, the content is “ 1. Material Science Revolution: Silicon Nitride Ceramic Bearings Core Innovation​Silicon nitride (Si₃N₄) ceramic bearings demonstrate ​3× longer fatigue life​ than traditional…